Past tense and present tense
https://owl.english.purdue.edu/owl/resource/601/01/
Also this link:
http://www.englishclub.com/grammar/verb-tenses.htm
Past tense and present tense are two different verb forms that indicate when an action occurred or is occurring.
The past tense is used to describe actions, events, or states that have already happened or were completed in the past. It is typically formed by adding "-ed" or "-d" to the base form of regular verbs, while irregular verbs have specific forms that change from their base form. For example:
- Base form: walk
Past tense: walked
- Base form: eat
Past tense: ate
- Base form: go
Past tense: went
The present tense is used to describe actions, events, or states that are happening now, are recurring, or are generally true. It is typically indicated by the base form of the verb, although there are also some irregular verbs that have unique forms in the present tense. For example:
- Base form: dance
Present tense: dance
- Base form: learn
Present tense: learn
- Base form: have
Present tense: have
It is important to note that there are also other verb tenses, such as future tense, present perfect tense, and past perfect tense, which are used to describe actions in different time frames. These tenses involve additional verb forms that indicate different aspects of time and completion.
To determine the past or present tense of a verb, you can follow these steps:
1. Identify the verb in the sentence.
2. If the action or state being described happened in the past or is completed, the verb is likely in the past tense.
3. If the action or state being described is happening now, is recurring, or is generally true, the verb is likely in the present tense.
4. If the verb ends in "-ed" or "-d" (e.g., walked, learned), it is likely in the past tense.
5. If the verb is the same as the base form (e.g., dance, learn), it is likely in the present tense.
However, remember that there are irregular verbs that do not follow the standard pattern and have unique forms for the past tense and/or present tense. It is helpful to consult a reliable verb conjugation resource or dictionary to confirm the correct verb form.